Portable orthopedic back rest



FIG. 1 is a front elevational view of a portable orthopedic back rest, showing my new design.

FIG. 2 is a left side elevational view.

FIG. 3 is a right side elevational view.

FIG. 4 is an end elevational view looking from the top of FIG. 1.

FIG. 5 is an end elevational view looking from the bottom of FIG. 1.

FIG. 6 is a rear elevational view.

FIG. 7 is a sectional view taken along the line 7--7 in FIG. 1.

FIG. 8 is a sectional view taken along the line 8--8 in FIG. 1.

FIG. 9 is a perspective view looking from the top and front of FIG. 1; and

FIG. 10 is a perspective view looking from the rear and bottom of FIG. 1. 

The ornamental design for portable orthopedic back rest, substantially as shown. 